Exaroton Minecraft server couldn't start

[15:16:24] [main/ERROR]: Failed to start the Minecraft server1210Java. Lang. Runtimeexception: Could not execute entrypoint stage 'main' due to errors, provided by 'ktnilcks'!1211 at net. Fabricmc. Loader. İmpl. Fabricloaderımpl. Lambda$invokeentrypoints$2(fabricloaderımpl. Java: 388) ~[fabric-loader-0.15.11.jar:?]1212 at net. Fabricmc. Loader. İmpl. Util. Exceptionutil. Gatherexceptions(exceptionutil. Java: 33) ~[fabric-loader-0.15.11.jar:?]1213 at net. Fabricmc. Loader. İmpl. Fabricloaderımpl. İnvokeentrypoints(fabricloaderımpl. Java: 386) ~[fabric-loader-0.15.11.jar:?]1214 at net. Fabricmc. Loader. İmpl. Game. Minecraft. Hooks. Startserver(hooks. Java: 63) ~[fabric-loader-0.15.11.jar:?]1215 at net. Minecraft. Server. Main. Main(main. Java: 112) ~[server-intermediary.jar:?]1216 at net. Fabricmc. Loader. İmpl. Game. Minecraft. Minecraftgameprovider. Launch(minecraftgameprovider. Java: 470) ~[fabric-loader-0.15.11.jar:?]1217 at net. Fabricmc. Loader. İmpl. Launch. Knot. Knot. Launch(knot. Java: 74) ~[fabric-loader-0.15.11.jar:?]1218 at net. Fabricmc. Loader. İmpl. Launch. Knot. Knotserver. Main(knotserver. Java: 23) ~[fabric-loader-0.15.11.jar:?]1219 at net. Fabricmc. Loader. İmpl. Launch. Server. Fabricserverlauncher. Main(fabricserverlauncher. Java: 69) ~[fabric-loader-0.15.11.jar:?]1220 at net. Fabricmc. İnstaller. Serverlauncher. Main(serverlauncher. Java: 69) ~[fabric-server-mc.1.20.1-loader.0.15.11-launcher.1.0.1.jar:1.0.1]1221caused by: Java. Lang. Noclassdeffounderror: net/minecraft/client/gui/screen/Screen1222 at Java. Lang. Class. Forname0(native method) ~[?:?]1223 at Java. Lang. Class. Forname(class. Java: 467) ~[?:?]1224 at net. Fabricmc. Loader. İmpl. Util. Defaultlanguageadapter. Create(defaultlanguageadapter. Java: 50) ~[fabric-loader-0.15.11.jar:?]1225 at net. Fabricmc. Loader. İmpl. Entrypoint. Entrypointstorage$newentry. Getorcreate(entrypointstorage. Java: 117) ~[fabric-loader-0.15.11.jar:?]1226 at net. Fabricmc. Loader. İmpl. Entrypoint. Entrypointcontainerımpl. Getentrypoint(entrypointcontainerımpl. Java: 53) ~[fabric-loader-0.15.11.jar:?]1227 at net. Fabricmc. Loader. İmpl. Fabricloaderımpl. İnvokeentrypoints(fabricloaderımpl. Java: 384) ~[fabric-loader-0.15.11.jar:?]1228... 7 more1229caused by: Java. Lang. Classnotfoundexception: Net. Minecraft. Client. GUI. Screen. Screen1230 at JDK. İnternal. Loader. Builtinclassloader. Loadclass(builtinclassloader. Java: 641) ~[?:?]1231 at Java. Lang. Classloader. Loadclass(classloader. Java: 525) ~[?:?]1232 at net. Fabricmc. Loader. İmpl. Launch. Knot. Knotclassdelegate. Loadclass(knotclassdelegate. Java: 226) ~[fabric-loader-0.15.11.jar:?]1233 at net. Fabricmc. Loader. İmpl. Launch. Knot. Knotclassloader. Loadclass(knotclassloader. Java: 119) ~[fabric-loader-0.15.11.jar:?]1234 at Java. Lang. Classloader. Loadclass(classloader. Java: 525) ~[?:?]1235 at Java. Lang. Class. Forname0(native method) ~[?:?]1236 at Java. Lang. Class. Forname(class. Java: 467) ~[?:?]1237 at net. Fabricmc. Loader. İmpl. Util. Defaultlanguageadapter. Create(defaultlanguageadapter. Java: 50) ~[fabric-loader-0.15.11.jar:?]1238 at net. Fabricmc. Loader. İmpl. Entrypoint. Entrypointstorage$newentry. Getorcreate(entrypointstorage. Java: 117) ~[fabric-loader-0.15.11.jar:?]1239 at net. Fabricmc. Loader. İmpl. Entrypoint. Entrypointcontainerımpl. Getentrypoint(entrypointcontainerımpl. Java: 53) ~[fabric-loader-0.15.11.jar:?]1240 at net. Fabricmc. Loader. İmpl. Fabricloaderımpl. İnvokeentrypoints(fabricloaderımpl. Java: 384) ~[fabric-loader-0.15.11.jar:?]1241... 7 more1242